激光剥蚀采样-电感耦合等离子体质谱法定性分析金属镀层
Qualitative Analysis of Metal Platings by ICP-MS with Laser Ablation Sampling
摘 要
应用自制的皮秒激光剥蚀采样系统与电感耦合等离子体质谱法相结合对金属镀层［包括单一金属镀层、有涂层金属镀层、复合(多层)金属镀层等］的定性分析进行了研究。高激光脉冲能量的时间分辨图能确定金属镀层的基体材料,合适激光脉冲能量的时间分辨图能清晰呈现表面涂层、金属镀层和基体材料中各主要元素的先后关系。试验中选用金属镀层厚度标准片和实际样品。该方法应用于黄金饰品的真假鉴别。
激光剥蚀采样
金属镀层及涂层
定性分析
ICP-MS
Laser ablation sampling
Metal plating and coating
Qualitative analysis
Abstract
Qualitative analysis of metal platings ［induding simple metal plating, metal plating with coating and compound (multi-layer) metal plating］ was studied by ICP-MS in combination with a self-made pico-second laser ablation sampling system which was used for direct sampling of solid samples. Time resolution spectra with high laser pulse energy were collected to recognize the matrix material of the metal coating; while time resolution spectra with appropriate laser pulse energy were used to show clearly the relationships between the main elements in the surface coating, metal plating and the matrix material. Standard sheets with definite thickness of metal plating and substantial samples were used in the study. The proposed method was used in the identification of gold ornaments, giving satisfactory results.
中图分类号 O657.63 DOI 10.11973/lhjy-hx201602006
所属栏目 工作简报
基金项目 国家质检总局资助项目(2013IK010,2012IK043)
收稿日期 2015/2/2
修改稿日期
网络出版日期
作者单位点击查看
备注郭亮(1980-),男,安徽无为人,工程师,主要从事 金属材料的检测工作。
引用该论文: GUO Liang,LI Xue-lian,JIN Xian-zhong. Qualitative Analysis of Metal Platings by ICP-MS with Laser Ablation Sampling[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2016, 52(2): 151～154
郭亮,李雪莲,金献忠. 激光剥蚀采样-电感耦合等离子体质谱法定性分析金属镀层[J]. 理化检验－化学分册, 2016, 52(2): 151～154
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参考文献
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【2】宋华,牛丽媛.汽车紧固件的表面防护技术及其发展方向［J］.汽车工艺与材料, 2007(4):20-21.
【3】何明奕,王胜民,谭蓉.机械镀国内外发展现状［J］.机械工人(热加工), 2005(1):51-53.
【4】张殿英.彩涂钢板涂镀层的辉光放电发射光谱逐层分析方法研究［J］.冶金分析, 2007,27(8):23-27.
【5】GNTHER D, HATTENDORF B. Solid sample analysis using laser ablation inductively coupled plasma mass spectrometry［J］. Trends in Analytical Chemistry, 2005,24(3):255-265.
【6】李韩璞,张旭.XRF在金属镀层定性半定量分析中的应用［J］.现代科学仪器, 2011(4):93-94.
【7】王胜民,史庆南,何明奕,等.机械镀锌层的X射线衍射分析［J］.理化检验-物理分册, 2008,44(4):165-167.
【8】周韵,楚民生,龚思维,等.激光剥蚀-电感耦合等离子体原子发射光谱法分析金属材料镀层［J］.理化检验-化学分册, 2013,49(11):1305-1308.
【9】BALCAEN LIEVE I L, LENAERTS J, MOENS L, et al. Application of laser ablation inductively coupled plasma (dynamic reaction cell) mass spectrometry for depth profiling analysis of high-tech industrial materials［J］. J Anal At Spectrom, 2005,20:417-423.
【10】PISONERO J, KOCH J, WALLE M, et al. Capabilities of femtosecond laser ablation inductively coupled plasma mass spectrometry for depth profiling of thin metal coatings［J］. Anal Chem, 2007,79:2325-2333.
【11】HRDLICKA A, OTRUBA V, NOVOTN K, et al. Feasibility of depth profiling of Zn-based coatings by laser ablation inductively coupled plasma optical emission and mass spectrometry using infrared Nd:YAG and ArF* lasers［J］. Spectrochimica Acta Part B, 2005,60:307-318.
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